综合填空。Everyyearanumberofpeopledieintrafficaccidents.Howd...
问题详情:
综合填空。
Every year a number of people die in traffic accidents.How do these traffic accidents happen? Maybe the drivers d 1 too much.or maybe there’s something w 2 with their cars.However, the most important reason may be that people don’t obey(遵守)the traffic rules.
In our country, traffic goes on the r3 .But in many other countries, for example, in singapore, traffic goes on the o4 side.It’s easy to c5 an accident if you walk or drive in the wrong direction(方向).When traffic lights turn green, you can go a 6 the road.When they turn red, you must stop and wait.If you are walking, it is important and n7 to walk on the zebra crossing(斑马线).The most d8 place is corner.People don’t often pay much a9 when they are near the corners.And sometimes there are no traffic lights near the corners.
If you want to be safe, please a10 obey the traffic rules.
【回答】
k g t site e ss
ssary erous ntion ys
知识点:相似 相近词比较
题型:单词拼写
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下列说法正确的是 A.物质发生化学反应都伴随着能量变化B.伴有能量变化的物质变化都是化学变化C.在一个确...
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在恒温、体积为2L的密闭容器中进行反应:2A(g)⇌3B(g)+C(g),若反应物在前20sA物质由3mol降...
问题详情:在恒温、体积为2L的密闭容器中进行反应:2A(g)⇌3B(g)+C(g),若反应物在前20sA物质由3mol降为1.8mol,则前20s的平均反应速度为()A.v(B)=0.03mol/(L•s)B.v(B)=0.045mol/(L•s)C.v(C)=0.03mol/(L•s)D.v(C)=0.06mol/(L•s)【回答】考点:化学反应速率和化学计量数的关系.专题:化学反应速率专...
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